lever escapementn.Watchmaking an escapement in which the connection between the pallet and the balance is made by means of two levers, one attached to the pallets and the other to the balance staff (Britten).
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1838 Penny Cycl. XII. 303/2Lever-escapement.
1881 F. J. BrittenWatch & Clockmakers' Handbk. (ed. 4) 34 The Lever Escapement..is generally preferred for pocket watches.